Fresh Air Weekend highlights some of the best interviews and reviews from past weeks, and new program elements specially paced for weekends. Our weekend show emphasizes interviews with writers, filmmakers, actors and musicians, and often includes excerpts from live in-studio concerts. This week:

Actor Danny Trejo came of age in the California prison system, doing time in a juvenile detention center as well as in San Quentin, Folsom and Soledad, on charges relating to drugs. He says that background prepared him well for acting.

"Standing on the yard in San Quentin, knowing that there's a riot coming, you're absolutely scared to death with every fiber of your body," Trejo says. "[But] you have to pretend you're not. You have to stand there and make everybody think you like it."

Both of the books I'm recommending today are each, in their own ways, about cold cases.

After all, what could be colder than the mysteries surrounding the life of that pre-eminent Queen of Crime, Agatha Christie? Christie, by some calculations, is the second best-selling author of all time (beaten by a hair by Shakespeare). She was a resolutely private person and, so, has teased the legion of biographers who have been chipping away at her sphinxlike silence ever since she died in 1976.

Fresh Air Weekend highlights some of the best interviews and reviews from past weeks, and new program elements specially paced for weekends. Our weekend show emphasizes interviews with writers, filmmakers, actors and musicians, and often includes excerpts from live in-studio concerts. This week:

John Oliver Finds Humor In The News No One Wants To Hear About: On Last Week Tonight, Oliver dives into often obscure stories, like NRA TV and the laws that govern televangelism. He describes the show's style as "the slowest improv you've ever seen."